Finding the Fourth Proportional to 10,307,490.12, 14,224,507.26 and 5,661,704.52
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Solution
The fourth proportional to 10,307,490.12, 14,224,507.26 and 5,661,704.52 is: 7,813,246.11
Step by Step Solution
- Step 1: Write the proportion equation
10,307,490.12 : 14,224,507.26 = 5,661,704.52 : x - Step 2: Convert to fraction form
10,307,490.12/14,224,507.26 = 5,661,704.52/x - Step 3: Cross multiply
10,307,490.12x = 14,224,507.26 × 5,661,704.52 - Step 4: Simplify right side
10,307,490.12x = 80,534,957,048,714.81 - Step 5: Solve for x
x = 80,534,957,048,714.81/10,307,490.12 - Step 6: Final answer
x = 7,813,246.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.